Fix tournament create error messages (#1282)

Update GH tests Go version

docker-compose-tests.yml

@@ -41,7 +41,7 @@ services:
       interval: 5s
 
   test:
-      image: "golang:1.21"
+      image: "golang:1.23.2"
       command: /bin/sh -c "mkdir -p /nakama/internal/gopher-lua/_lua5.1-tests/libs/P1; go test -v -race ./..."
 
       working_dir: "/nakama"

server/runtime_go_nakama.go

@@ -2708,7 +2708,7 @@ func (n *RuntimeGoNakamaModule) TournamentCreate(ctx context.Context, id string,
 	case "decr", "decrement":
 		oper = LeaderboardOperatorDecrement
 	default:
-		return errors.New("expects sort order to be 'best', 'set', 'incr' or 'decr'")
+		return errors.New("expects operator to be 'best', 'set', 'incr' or 'decr'")
 	}
 
 	if resetSchedule != "" {

server/runtime_javascript_nakama.go

@@ -6221,7 +6221,7 @@ func (n *runtimeJavascriptNakamaModule) tournamentCreate(r *goja.Runtime) func(g
 		case "decr", "decrement":
 			operatorNumber = LeaderboardOperatorDecrement
 		default:
-			panic(r.NewTypeError("expects sort order to be 'best', 'set', 'decr' or 'incr'"))
+			panic(r.NewTypeError("expects operator to be 'best', 'set', 'decr' or 'incr'"))
 		}
 
 		var duration int

server/runtime_lua_nakama.go

@@ -7890,7 +7890,7 @@ func (n *RuntimeLuaNakamaModule) tournamentCreate(l *lua.LState) int {
 	case "decr", "decrement":
 		operatorNumber = LeaderboardOperatorDecrement
 	default:
-		l.ArgError(4, "expects sort order to be 'best', 'set', 'decr' or 'incr'")
+		l.ArgError(4, "expects operator to be 'best', 'set', 'decr' or 'incr'")
 		return 0
 	}